Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. St Andrew''s Hospital in Northampton, England is a psychiatric hospital run by a non-profit-making, charitable trust. It is by far the largest mental health facility in UK, providing national specialist and secure services for adolescents, men, women and older people with mental illness, learning disabilty, brain injury, autism and dementia. The charity also has hospitals in Essex, Birmingham, and Harrow. The Northamptonshire County General Lunatic Asylum, founded by public subscription, opened to "private and pauper lunatics" on 1 August 1838. The hospital was built on land once owned by the Cluniac Priory of St Andrew''s. Donations were given for the establishment of a building for the "care of the insane" including from the funds of the disbanded Northamptonshire Yeomanry and a gift from the second Earl Spencer.